Take Shi Shuo Xin Yu as an example to analyze the demeanor of Wei and Jin Dynasties.

The Wei-Jin demeanor referred to the cultural phenomenon of the Wei-Jin period, which was mainly featured by the culture of the Wei-Jin and the Southern and Northern Dynasties, including the changes and innovation in metaphysics, literature, art, politics, and so on. The core of Wei-Jin demeanor was Wei-Jin metaphysics. Metaphysical theory advocated "canceling" and "transcending" the real world in pursuit of "detachment" and "freedom" in the spiritual realm. Metaphysical theory advocated "taking nature as the law and inaction as the use", opposed excessive utilitarism and practicality, and advocated the pursuit of internal harmony and inner freedom. In literature, the demeanor of Wei and Jin had a profound influence on poetry creation. The representative poets were Wang Xianzhi, Xie Lingyun, Tao Yuanming, etc. Most of their poems were about natural scenery and philosophy of life, showing deep thinking and unique artistic style. In terms of art, the demeanor of the Wei and Jin Dynasties promoted the innovation of painting, music, dance and other aspects. The representative painters were Zhang Hua, Lu Ji, Xie He, and others. Their paintings were featured by simple lines, profound artistic conception, and elegant colors. Musicians in the Wei and Jin Dynasties paid attention to the relationship between music, nature and life, and created many fresh and refined music works. In the political aspect, the demeanor of Wei and Jin promoted the reform and innovation of the political system. Cao Cao and Cao Pi both adopted some metaphysical ideas in an attempt to achieve political harmony and inner freedom. At the same time, the celebrities in the Wei and Jin Dynasties also played an active role in politics, promoting the innovation and development of the political system. The demeanor of the Wei and Jin Dynasties was a cultural phenomenon that pursued the spiritual realm of "detachment" and "freedom". It reflected the profound influence of metaphysics on culture, literature, art and politics.